Finding the Fourth Proportional to 59,720.69, 89,636.42 and 30,159.34

Step by Step Solution

1. Step 1: Write the proportion equation
   59,720.69 : 89,636.42 = 30,159.34 : x
2. Step 2: Convert to fraction form
   59,720.69/89,636.42 = 30,159.34/x
3. Step 3: Cross multiply
   59,720.69x = 89,636.42 × 30,159.34
4. Step 4: Simplify right side
   59,720.69x = 2,703,375,118.47
5. Step 5: Solve for x
   x = 2,703,375,118.47/59,720.69
6. Step 6: Final answer
   x = 45,266.98